<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Dice</title>
    <style type="text/css">

        .div-container {
            width: 200px;
            height: 200px;
            border: 1px solid black;
            border-radius: 20px;

            box-sizing: border-box;
            padding: 20px;

            margin: 20px;
            float: left;

            display: flex;
        }

        .column {
            display: flex;
        }

        .item {
            width: 30px;
            height: 30px;
            background-color: red;
            border-radius: 50%;
        }

        #div-1 {
            justify-content: center;
            align-items: center;
        }

        #div-2 {
            justify-content: space-between;
        }

        #div-2 .item:nth-child(2) {
            align-self: flex-end;
        }

        #div-3 {
            justify-content: space-between;
        }

        #div-3 .item:nth-child(2) {
            align-self: center;
        }

        #div-3 .item:nth-child(3) {
            align-self: flex-end;
        }

        #div-4 {
            flex-direction: column;
            justify-content: space-around;
        }

        #div-4 .column {
            justify-content: space-around;
        }

        #div-5 {
            flex-direction: column;
            justify-content: space-between;
        }

        #div-5 .column {
            justify-content: space-between;
        }

        #div-5 .column:nth-child(2) {
            justify-content: center;
        }

        #div-6 {
            flex-direction: column;
            justify-content: space-around;
        }

        #div-6 .column {
            justify-content: space-around;
        }
    </style>
</head>
<body>

<div id="div-1" class="div-container">
    <div class="item"></div>
</div>

<div id="div-2" class="div-container">
    <div class="item"></div>
    <div class="item"></div>
</div>

<div id="div-3" class="div-container">
    <div class="item"></div>
    <div class="item"></div>
    <div class="item"></div>
</div>

<div id="div-4" class="div-container">
    <div class="column">
        <div class="item"></div>
        <div class="item"></div>
    </div>
    <div class="column">
        <div class="item"></div>
        <div class="item"></div>
    </div>
</div>

<div id="div-5" class="div-container">
    <div class="column">
        <div class="item"></div>
        <div class="item"></div>
    </div>
    <div class="column">
        <div class="item"></div>
    </div>
    <div class="column">
        <div class="item"></div>
        <div class="item"></div>
    </div>
</div>

<div id="div-6" class="div-container">
    <div class="column">
        <div class="item"></div>
        <div class="item"></div>
    </div>
    <div class="column">
        <div class="item"></div>
        <div class="item"></div>
    </div>
    <div class="column">
        <div class="item"></div>
        <div class="item"></div>
    </div>
</div>

</body>
</html>